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ManualsBrandsMaxitrol ManualsHeating SuppliesDischarge Air Temperature Sensor (55° to 90°F)

Mixing Tubes: (length)

MT1-9 or 2-9 (9" / 229 mm)

MT1-12 or 2-12 (12" / 305 mm)

MT1-23 or 2-23 (23" / 584 mm)

MT1-28 or 2-28 (28" / 711 mm)

MT-57 (57" / 1448 mm)

Valves:

M411, M420, M420H, and M451 (3/8" & 1/2" pipe size)

M511, M520, M520H, and M551 (1/2" & 3/4" pipe size)

M611, M620, M620H, and M651 (3/4" & 1" pipe size)

MR212D (1", 1

/4", and 1

/2" pipe size)

MR212E (1

/2" & 2" pipe size)

MR212G (2

/2" & 3" pipe size)

MR212J (4" flanged)

MR212D-2, E-2, G-2, and J-2 (same pipe sizes as above, but

used for 2-speed blower or dual fuel operation)

MR251D, E, and G (same pipe sizes as above, but used for

positive pressure atmospheric burner applications)

Note: the M (modulator) valve requires a pressure regulator for

high fire setting. The MR (modulator/regulator) valve requires no

pressure regulator up to 5 psi.

M411, M420, M420H, M451,M611, M520, M520H, M611, M620, M620H,

MR212D, E, G & J with AD1094 controls - CSA listed to certify compliance with

nationally published safety, construction and performance standards.

M611, MR212D, E & G - UL recognized for compliance to nationally published

safety, construction and performance standards.

REMOTE SYSTEM ITEMS

Remote Temperature Selectors (with LED Display):

TD94E-0409 (40° to 90° F)

TD94E-0616 (60° to 160° F)

TD94E-1030 (100° to 300° F)

TD94E-609/0818 (dual temp 60° to 90° F and 80° to 180° F)

Amplifiers:

A1094 (all temperature ranges)

A1494 (all temperature ranges)

Override Stst (optional):

T115 (40° to 90° F)

use with TD94E-0409)

SELF-CONTAINED SYSTEM ITEMS

Amplifier/Selectors (with LCD Display):

AD1094C-1050 (100° to 500° F)

AD1094C-2565 (250° to 650° F)

AD1094CM-1234 (120° to 345° F)

AD1494CK-60120 (600° to 1200° F)

COMMON ITEMS

Temperature Sensors:

TS194 (use with mixing tube) 300° maximum

TS394-3B48FQ (3" x .19" dia. probe)

System Components

*Do not use relay on direct fired applications.

Single Dial - Relay to

Operate Automatic Valve

Description

Single Dial - No Relay for

Automatic Valve

Dual Dial - No Relay for

Automatic Valve

Dual Dial - Relay to

Operate Automatic Valve

*Single Dial - Relay to

Operate Automatic Valve

Single Dial - No Relay for

Automatic Valve

Amplifier

A1094

A1494

A1094

Amplifier/Selector

AD1094C

AD149CK

Remote

Selector

TD94

TD294

Sensor

Optional Override

Valves

(see pg. 4)

TS 194/MT1 or TS394

TS 194/MT1 or TS 394

TS394

"K" Thermocouple Not

Supplied by Maxitrol

T115 (Can be used with

TD94E-0409 only)

T115 (Can be used with

TD94E-0409 only)

Not Available

Not Availabe

M420, M520, M620,

M451, M551, M651

M411, M511, M611,

MR212D, E, G & J

M411, M511, M611,

MR212D, E, G & J

M420, M520, M620,

M451, M551, M651

M411, M420, M451,

M511, M520, M551,

M611, M620, M651,

MR212D, E, G & J